When the Cretaceous Period and Mesozoic Era ended 66 million years ago, the Palaeogene Period and the Cenozoic Era began. In the Palaeogene, the continents drifted even closer to their present-day ...

In the late Cretaceous period, the world was a land teeming with gigantic creatures, and South America was home to some of ...

Illustration of the K-Pg extinction event at the end of the Cretaceous Period. A ten-kilometre-wide asteroid or comet is entering the Earth's atmosphere as dinosaurs, including T. rex, look on.

Continents were on the move in the Cretaceous, busy remodeling the shape and tone of life on Earth. At the start of the period, dinosaurs ruled the loosening remnants of the supercontinent Pangaea ...

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

The dinosaurs existed on our planet for roughly one hundred and sixty five million years, and for the majority of that time, they were the dominant life form on Earth. This gave them an awful lot of ...

Meet the "caribou of the Cretaceous": How ancient hadrosaurs spread across Earth Scientists now have a better idea as to how the duck-billed dinosaurs known as hadrosaurs took over the planet ...

Paleontologists from the University of California, Berkeley, set out to put a number on how many T. rex lived during the Cretaceous period -- about 65 million to 98 million years ago -- knowing ...

The event features dinosaurs, plants and small mammals from the Cretaceous period, that lasted from 145 to 66 million years ...

Late Cretaceous Period was likely ice-free Date: September 24, 2013 Source: University of Missouri-Columbia Summary: For years, scientists have thought that a continental ice sheet formed during ...

Twin calamities marked the end of the Cretaceous period, and scientists are presenting new evidence of which drove one of Earth’s great extinctions. By Lucas Joel Some 66 million years ago ...

Continents were on the move in the Cretaceous, busy remodeling the shape and tone of life on Earth. At the start of the period, dinosaurs ruled the loosening remnants of the supercontinent Pangaea ...